Question 451884
s+c=2s-c
24/s+c=4
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4(s+c)=24
s+c=6
c=6-s
s+(6-s)=2s-(6-s)
6=3s-6
3s=12
s=4
c=2
The speed of the boat in still water is 4 mph.  The current is 2 mph..